EP0743707B1 - Connector modules - Google Patents

Connector modules Download PDF

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Publication number
EP0743707B1
EP0743707B1 EP96303204A EP96303204A EP0743707B1 EP 0743707 B1 EP0743707 B1 EP 0743707B1 EP 96303204 A EP96303204 A EP 96303204A EP 96303204 A EP96303204 A EP 96303204A EP 0743707 B1 EP0743707 B1 EP 0743707B1
Authority
EP
European Patent Office
Prior art keywords
contacts
end portions
slots
rows
row
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96303204A
Other languages
German (de)
French (fr)
Other versions
EP0743707A1 (en
Inventor
William Calvin Baggett
Wayne Scott Filus
Elliott Arthur Baines, Jr.
Dianne Wood Gilland
Adam Stuart Kane
Jeremia Patrick Starace
Mark George Spaulding
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T Corp
AT&T IPM Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AT&T Corp, AT&T IPM Corp filed Critical AT&T Corp
Publication of EP0743707A1 publication Critical patent/EP0743707A1/en
Application granted granted Critical
Publication of EP0743707B1 publication Critical patent/EP0743707B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2425—Structural association with built-in components
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/14—Distribution frames
    • H04Q1/142—Terminal blocks for distribution frames
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2425—Structural association with built-in components
    • H01R9/2441—Structural association with built-in components with built-in overvoltage protection

Definitions

  • This invention relates to modules for electrically connecting sets of wires.
  • connecting blocks comprising an array of insulation displacement contacts are typically used in telephone central offices, building entrance terminals, and outside plant cabinets for electrical connection between cables and cross-connect wiring.
  • One example of such a connecting block is the standard 110 connector block.
  • Such connector blocks include rows of insulation displacement contacts mounted within a plastic module. Each contact includes insulation piercing slots on both ends.
  • One set of wires is placed within an alignment strip, and the contact module is placed over the wires in order to make contact therewith.
  • a second set of wires is inserted into the opposite end of the contacts to complete the electrical connection between the sets of wires.
  • connector modules include slots for mounting protectors which are electrically connected to the contacts. (See, for example, U.S. Patents 4,171,857 and 4,283,103.)
  • the invention is a connector module which includes two rows of contacts mounted within an insulating housing having a top and bottom surface. Each contact includes an end portion which is capable of providing electrical connection to a corresponding wire.
  • the contacts are mounted so that the end portions of the first row extend through the top surface and the end portions of the second row extend through the bottom surface.
  • the end portions of the two rows are laterally displaced, and the top and bottom surfaces include slots adjacent to the corresponding rows for receiving leads therein which make electrical contact with corresponding contacts.
  • FIG. 1 Illustrated in FIG. 1 is a module 10 which can be inserted into a frame (not shown) along with other similar modules to form a connecting block.
  • the module includes a housing which is made of insulating material such as plastic.
  • the housing includes an essentially rectangular body portion 11 which is covered by caps, 14 and 15 respectively.
  • the caps can be made of the same material as the housing and define an upper and lower surface 12 and 13 respectively, for the housing.
  • Each cap includes a series of slits, e.g., 16, which permit insertion of a wire (e.g., 61 of FIG. 4 ) therein as discussed below.
  • Each cap also includes a series of slots, e.g., 17 and 18 of FIG.
  • first row of contacts e.g. 30 and a second row of contacts, e.g. 31.
  • Each contact 30 and 31 includes an end portion, 32 and 33 respectively, which is capable of providing electrical connection to a wire 60 and 61, respectively.
  • the end portions each comprise a slot 34 and 35 which pierces the insulation surrounding the wire to establish electrical contact.
  • the contacts are mounted so that the end portions of the first row of contacts, e.g. 30, protrude through the top surface, 12 of the housing, while the end portions of the second row of contacts, e.g. 31 protrude through the bottom surface 13 of the housing.
  • the end portions, e.g. 33 are also aligned with corresponding slits, e.g., 16 of FIG. 1, in the caps, e.g., 15 of FIG. 1, so that wires may be inserted through the caps for electrical connection by the contacts.
  • the remainder of the contacts 30 and 31 also known as the stem portions, extend in the body portion, 11, so that one contact 30 from the first row makes mechanical and electrical contact with another contact, 31, from the second row.
  • the two contacts make mechanical and electrical contact at two points, 38 and 39.
  • the end portions of the first and second rows of contacts are laterally separated by a distance L, with the slots, e.g. 17 and 18 disposed in the lateral space.
  • the contact points 38 and 39 are aligned with their respective slots 17 and 18 so that, in the example illustrated in FIGS. 3 and 4, a lead, 40 of a protector unit 21 may be inserted in the slot, 18, to make contact with the stems, and the lead 41 of a test cord 22, may be inserted in the slot 17 to also make contact with the stems.
  • wires 61 from the cable can be connected to the contacts, e.g. 31, of the second row at the bottom of the module, and cross-connect wires 60 can be connected to the contacts, e.g., 30 of the first row at the top of the module.
  • the density of terminations is increased.
  • the user has the option of inserting protector units at the bottom surface as illustrated in FIGS. 3 and 4, or at the top surface as illustrated in FIG. 5, where a protector cartridge, 20 including a plurality of gas tube protectors is illustrated.
  • the protectors can remain in place when it is desired to insert a test probe 22 or a jumper cable (not shown) in the opposite surface of the module. Also, with the protectors on the bottom surface, there is plenty of room to connect the cross-connect wires at the top surface without the necessity of removing the protectors.
  • the body portion 11 need not be open at the top and bottom and covered by the caps as shown, but can have its own top and bottom surface with either no cap or with a cap which covers only the end portions of the contacts.

Description

    Background of the Invention
  • This invention relates to modules for electrically connecting sets of wires.
  • In the telecommunications industry, connecting blocks comprising an array of insulation displacement contacts are typically used in telephone central offices, building entrance terminals, and outside plant cabinets for electrical connection between cables and cross-connect wiring. One example of such a connecting block is the standard 110 connector block. (See, for example, U.S. Patent No. 3,798,587.) Such connector blocks include rows of insulation displacement contacts mounted within a plastic module. Each contact includes insulation piercing slots on both ends. One set of wires is placed within an alignment strip, and the contact module is placed over the wires in order to make contact therewith. A second set of wires is inserted into the opposite end of the contacts to complete the electrical connection between the sets of wires. In some recent systems, connector modules include slots for mounting protectors which are electrically connected to the contacts. (See, for example, U.S. Patents 4,171,857 and 4,283,103.)
  • While the prior art connector blocks are adequate, the fact that all wiring is generally done on the same surface has limited the density of wire terminations. Further, when protectors have been included in the block, they usually must be removed in order to insert jumper wires or test probes, creating inconvenience for the user.
    • Summary of the Invention
  • The invention is a connector module which includes two rows of contacts mounted within an insulating housing having a top and bottom surface. Each contact includes an end portion which is capable of providing electrical connection to a corresponding wire. The contacts are mounted so that the end portions of the first row extend through the top surface and the end portions of the second row extend through the bottom surface. The end portions of the two rows are laterally displaced, and the top and bottom surfaces include slots adjacent to the corresponding rows for receiving leads therein which make electrical contact with corresponding contacts.
    • Brief Description of the Drawing
  • These and other features of the invention are delineated in detail in the following description. In the drawing:
  • FIG 1 is a perspective view of a module in accordance with an embodiment of the invention;
  • FIGS. 2-4 are cross-sectional views of a module in accordance with the same embodiment; and
  • FIG. 5 is a perspective view of the module of FIG. 1 with an additional component illustrated.
  • It will be appreciated that, for purposes of illustration, these figures are not necessarily drawn to scale.
    • Detailed Description
  • Illustrated in FIG. 1 is a module 10 which can be inserted into a frame (not shown) along with other similar modules to form a connecting block. The module includes a housing which is made of insulating material such as plastic. The housing includes an essentially rectangular body portion 11 which is covered by caps, 14 and 15 respectively. The caps can be made of the same material as the housing and define an upper and lower surface 12 and 13 respectively, for the housing. Each cap includes a series of slits, e.g., 16, which permit insertion of a wire (e.g., 61 of FIG. 4 ) therein as discussed below. Each cap also includes a series of slots, e.g., 17 and 18 of FIG. 2, in the top and bottom surfaces 12 and 13 of the housing, which slots permit insertion of leads, e.g., 19 of FIG. 5, which may be electrically coupled to a cartridge protector, 20 of FIG. 5, a single protector , 21 of FIG. 3, a test probe, 22 of FIG. 4, or possibly other components.
  • As illustrated in FIGS. 2-4, mounted within the housing is a first row of contacts, e.g. 30 and a second row of contacts, e.g. 31. Each contact 30 and 31 includes an end portion, 32 and 33 respectively, which is capable of providing electrical connection to a wire 60 and 61, respectively. In this embodiment, the end portions each comprise a slot 34 and 35 which pierces the insulation surrounding the wire to establish electrical contact. The contacts are mounted so that the end portions of the first row of contacts, e.g. 30, protrude through the top surface, 12 of the housing, while the end portions of the second row of contacts, e.g. 31 protrude through the bottom surface 13 of the housing. The end portions, e.g. 33 are also aligned with corresponding slits, e.g., 16 of FIG. 1, in the caps, e.g., 15 of FIG. 1, so that wires may be inserted through the caps for electrical connection by the contacts.
  • The remainder of the contacts 30 and 31 also known as the stem portions, extend in the body portion, 11, so that one contact 30 from the first row makes mechanical and electrical contact with another contact, 31, from the second row. In this embodiment, the two contacts make mechanical and electrical contact at two points, 38 and 39.
  • It will be noted that the end portions of the first and second rows of contacts, e.g. 30 and 31, are laterally separated by a distance L, with the slots, e.g. 17 and 18 disposed in the lateral space. The contact points 38 and 39 are aligned with their respective slots 17 and 18 so that, in the example illustrated in FIGS. 3 and 4, a lead, 40 of a protector unit 21 may be inserted in the slot, 18, to make contact with the stems, and the lead 41 of a test cord 22, may be inserted in the slot 17 to also make contact with the stems.
  • It will be appreciated that there are several advantages to the module disclosed herein. For example, wires 61 from the cable can be connected to the contacts, e.g. 31, of the second row at the bottom of the module, and cross-connect wires 60 can be connected to the contacts, e.g., 30 of the first row at the top of the module. By utilizing two surfaces of the module, the density of terminations is increased. Further, the user has the option of inserting protector units at the bottom surface as illustrated in FIGS. 3 and 4, or at the top surface as illustrated in FIG. 5, where a protector cartridge, 20 including a plurality of gas tube protectors is illustrated. In either case, the protectors can remain in place when it is desired to insert a test probe 22 or a jumper cable (not shown) in the opposite surface of the module. Also, with the protectors on the bottom surface, there is plenty of room to connect the cross-connect wires at the top surface without the necessity of removing the protectors.
  • Various modifications of the embodiment described herein will become apparent to the skilled artisan. For example, the body portion 11 need not be open at the top and bottom and covered by the caps as shown, but can have its own top and bottom surface with either no cap or with a cap which covers only the end portions of the contacts.

Claims (5)

  1. A connector module comprising:
    an insulating housing (11, 14, 15) having a top and bottom surface (12, 13);
    first and second rows of contacts (30, 31) mounted within the housing, each contact including an end portion (32, 33) which is capable of providing electrical connection to a corresponding wire (60, 61) and a stem portion (42, 43),
          CHARACTERIZED BY:
       the contacts being mounted so that the end portions of the first row extend through the top surface (12) and the end portions of the second row extend through the bottom surface (13), the end portions of the first and second rows being laterally displaced, and the top and bottom surfaces including slots (17, 18) adjacent to the corresponding rows for receiving therein leads which make electrical contact with corresponding contacts.
  2. A connector module according to claim 1 wherein each end portion provides electrical connection by means of an insulation piercing slot (34, 35).
  3. A connector module according to claim 1 wherein the stem portions (42) of the contacts of the first row make electrical connection with the stem portions (43) of corresponding contacts of the second row and are aligned with corresponding slots (17, 18) in the top and bottom surfaces in order to receive leads which are inserted in the slots.
  4. A connector module according to claim 1 wherein the housing includes insulating caps (14, 15) placed over the end portions of the first and second rows of contacts, said caps including slits (16) aligned with corresponding end portions to permit wires to be inserted therein for making electrical connection with the end portions and slots (17) aligned with the stem portions to permit insertion of leads therein.
  5. A connector module according to claim 1 further comprising a protector component (20) with at least one lead (19) inserted into a slot on one of the top and bottom surfaces.
EP96303204A 1995-05-17 1996-05-08 Connector modules Expired - Lifetime EP0743707B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/442,866 US5575689A (en) 1995-05-17 1995-05-17 Connector modules
US442866 2006-05-30

Publications (2)

Publication Number Publication Date
EP0743707A1 EP0743707A1 (en) 1996-11-20
EP0743707B1 true EP0743707B1 (en) 1999-08-04

Family

ID=23758462

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96303204A Expired - Lifetime EP0743707B1 (en) 1995-05-17 1996-05-08 Connector modules

Country Status (12)

Country Link
US (1) US5575689A (en)
EP (1) EP0743707B1 (en)
JP (1) JPH08321334A (en)
KR (1) KR100385805B1 (en)
CN (1) CN1064784C (en)
BR (1) BR9602242A (en)
CA (1) CA2174268C (en)
DE (1) DE69603542T2 (en)
HK (1) HK1003758A1 (en)
MY (1) MY117254A (en)
TW (1) TW276366B (en)
ZA (1) ZA963721B (en)

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US6238232B1 (en) 1999-09-01 2001-05-29 Avaya Technology Corp. High density connector module
US6994582B1 (en) 2002-12-20 2006-02-07 Porta Systems Corporation Connector module
DE102004017605B3 (en) * 2004-04-07 2005-10-20 Adc Gmbh Connectors for printed circuit boards and distributor connection module
US7458840B2 (en) * 2004-09-15 2008-12-02 3M Innovative Properties Company Cap configured to removably connect to an insulation displacement connector block
US7101216B2 (en) * 2004-09-15 2006-09-05 3M Innovative Properties Company Insulation displacement system for two electrical conductors
US7399197B2 (en) * 2004-09-15 2008-07-15 3M Innovative Properties Company Connector assembly for housing insulation displacement elements
US7335049B2 (en) * 2004-09-15 2008-02-26 3M Innovative Properties Company Connector assembly for housing insulation displacement elements
EP1699117A1 (en) * 2005-03-04 2006-09-06 3M Innovative Properties Company A telecommunications module, an assembly of a telecommunications module and at least one outside module, a method for manufacturing a telecommunications module, and a use of a telecommunications module
US20060264090A1 (en) * 2005-05-18 2006-11-23 Dower William V Electrical connector assembly and method of forming the same
US7303446B2 (en) * 2005-05-18 2007-12-04 3M Innovative Proprties Company Frame assembly
US7207818B1 (en) * 2005-10-11 2007-04-24 3M Innovative Properties Company Telecommunications assembly including at least one telecommunications module
US7165983B1 (en) 2005-12-08 2007-01-23 3M Innovative Properties Company Access cover configured to receive a testing device
US7335069B1 (en) 2006-11-28 2008-02-26 Commscope, Inc. Of North Carolina Plugless normally-open connector module
DE102007026096A1 (en) * 2007-06-05 2008-12-11 Adc Gmbh Cable termination module
DE102007026102B3 (en) * 2007-06-05 2008-11-13 Adc Gmbh Connectors for printed circuit boards
DE102007026095A1 (en) * 2007-06-05 2008-12-11 Adc Gmbh Earth comb, in particular for a connector for printed circuit boards
DE102007026097B4 (en) * 2007-06-05 2023-05-11 Tyco Electronics Services Gmbh Connectors for printed circuit boards
DE102007026094B4 (en) * 2007-06-05 2023-05-11 Tyco Electronics Services Gmbh Contact element for a connector for printed circuit boards
DE202007010607U1 (en) * 2007-07-27 2007-12-06 CCS Technology, Inc., Wilmington Functional element of a telecommunications system
SG152076A1 (en) * 2007-10-12 2009-05-29 Adc Gmbh Cross connect block
DE102008047375A1 (en) * 2008-09-15 2010-04-15 Cobi Net Fernmelde- Und Datennetzkomponenten Gmbh mounting tray
EP2553939B1 (en) * 2010-03-30 2016-10-12 3M Innovative Properties Company Telecommunications module with disconnection feature
DE102011101201B4 (en) * 2011-05-11 2019-12-05 Tyco Electronics Services Gmbh Distributor connection module and method for wiring a distributor connection module

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Also Published As

Publication number Publication date
MX9601819A (en) 1997-07-31
CA2174268A1 (en) 1996-11-18
KR960043355A (en) 1996-12-23
US5575689A (en) 1996-11-19
MY117254A (en) 2004-06-30
CN1064784C (en) 2001-04-18
CA2174268C (en) 2001-08-14
TW276366B (en) 1996-05-21
CN1141520A (en) 1997-01-29
ZA963721B (en) 1997-07-31
DE69603542T2 (en) 2000-02-17
KR100385805B1 (en) 2003-09-19
EP0743707A1 (en) 1996-11-20
BR9602242A (en) 1998-01-13
DE69603542D1 (en) 1999-09-09
HK1003758A1 (en) 1998-11-06
JPH08321334A (en) 1996-12-03

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